| Plum Lake | |
| Location: | Kingsbury County, South Dakota |
| Coordinates: | 44.5222°N -97.5°W |
| Type: | lake |
| Pushpin Map: | South Dakota |
| Pushpin Map Alt: | Location of lake in South Dakota. |
Plum Lake is a natural lake in Kingsbury County, South Dakota, in the United States.
Plum Lake received its name from the plum trees which lined the lake.[1]